20903106

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 40

約数和(自身を含む): 48804624

約数和(自身を除く): 27901518

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1451, 2058, 2401, 2902, 4353, 4802, 7203, 8706, 10157, 14406, 20314, 30471, 60942, 71099, 142198, 213297, 426594, 497693, 995386, 1493079, 2986158, 3483851, 6967702, 10451553, 20903106]

約数ペア:

[(1, 20903106), (2, 10451553), (3, 6967702), (6, 3483851), (7, 2986158), (14, 1493079), (21, 995386), (42, 497693), (49, 426594), (98, 213297), (147, 142198), (294, 71099), (343, 60942), (686, 30471), (1029, 20314), (1451, 14406), (2058, 10157), (2401, 8706), (2902, 7203), (4353, 4802)]